151457442 has 8 divisors (see below), whose sum is σ = 302914896. Its totient is φ = 50485812.

The previous prime is 151457419. The next prime is 151457489. The reversal of 151457442 is 244754151.

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

151457442 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12621448 + ... + 12621459.

It is an arithmetic number, because the mean of its divisors is an integer number (37864362).

Almost surely, 2^151457442 is an apocalyptic number.

151457442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

151457442 is a wasteful number, since it uses less digits than its factorization.

151457442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25242912.

The product of its digits is 22400, while the sum is 33.

The square root of 151457442 is about 12306.8047030901. The cubic root of 151457442 is about 533.0445891027.

The spelling of 151457442 in words is "one hundred fifty-one million, four hundred fifty-seven thousand, four hundred forty-two".