142451956 has 12 divisors (see below), whose sum is σ = 249604740. Its totient is φ = 71136320.

The previous prime is 142451951. The next prime is 142452007. The reversal of 142451956 is 659154241.

It can be written as a sum of positive squares in 2 ways, for example, as 95062500 + 47389456 = 9750^2 + 6884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142451951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18775 + ... + 25246.

It is an arithmetic number, because the mean of its divisors is an integer number (20800395).

Almost surely, 2^142451956 is an apocalyptic number.

It is an amenable number.

142451956 is a deficient number, since it is larger than the sum of its proper divisors (107152784).

142451956 is a wasteful number, since it uses less digits than its factorization.

142451956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44834 (or 44832 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 142451956 is about 11935.3238749520. The cubic root of 142451956 is about 522.2632563769.

The spelling of 142451956 in words is "one hundred forty-two million, four hundred fifty-one thousand, nine hundred fifty-six".