1051142245 has 8 divisors (see below), whose sum is σ = 1261554840. Its totient is φ = 840791040.

The previous prime is 1051142231. The next prime is 1051142303. The reversal of 1051142245 is 5422411501.

It can be written as a sum of positive squares in 4 ways, for example, as 207878724 + 843263521 = 14418^2 + 29039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1051142245 - 2⁷ = 1051142117 is a prime.

It is a super-2 number, since 2×1051142245² = 2209800038447280050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41421 + ... + 61789.

It is an arithmetic number, because the mean of its divisors is an integer number (157694355).

Almost surely, 2^1051142245 is an apocalyptic number.

It is an amenable number.

1051142245 is a deficient number, since it is larger than the sum of its proper divisors (210412595).

1051142245 is a wasteful number, since it uses less digits than its factorization.

1051142245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30695.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1051142245 is about 32421.3239242323. The cubic root of 1051142245 is about 1016.7647863137.

Adding to 1051142245 its reverse (5422411501), we get a palindrome (6473553746).

The spelling of 1051142245 in words is "one billion, fifty-one million, one hundred forty-two thousand, two hundred forty-five".