142401550 has 12 divisors (see below), whose sum is σ = 264866976. Its totient is φ = 56960600.

The previous prime is 142401547. The next prime is 142401559. The reversal of 142401550 is 55104241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142401559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1423966 + ... + 1424065.

It is an arithmetic number, because the mean of its divisors is an integer number (22072248).

Almost surely, 2^142401550 is an apocalyptic number.

142401550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142401550 is a deficient number, since it is larger than the sum of its proper divisors (122465426).

142401550 is a wasteful number, since it uses less digits than its factorization.

142401550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848043 (or 2848038 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 142401550 is about 11933.2120571119. The cubic root of 142401550 is about 522.2016489221.

Adding to 142401550 its reverse (55104241), we get a palindrome (197505791).

The spelling of 142401550 in words is "one hundred forty-two million, four hundred one thousand, five hundred fifty".