1145401404 has 24 divisors (see below), whose sum is σ = 3054403968. Its totient is φ = 327257520.

The previous prime is 1145401399. The next prime is 1145401409. The reversal of 1145401404 is 4041045411.

It is an interprime number because it is at equal distance from previous prime (1145401399) and next prime (1145401409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145401409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6817782 + ... + 6817949.

It is an arithmetic number, because the mean of its divisors is an integer number (127266832).

Almost surely, 2^1145401404 is an apocalyptic number.

1145401404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1145401404 is an abundant number, since it is smaller than the sum of its proper divisors (1909002564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145401404 is a wasteful number, since it uses less digits than its factorization.

1145401404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13635745 (or 13635743 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1145401404 is about 33843.7793988792. The cubic root of 1145401404 is about 1046.2911945628.

Adding to 1145401404 its reverse (4041045411), we get a palindrome (5186446815).

The spelling of 1145401404 in words is "one billion, one hundred forty-five million, four hundred one thousand, four hundred four".