151848442 has 4 divisors (see below), whose sum is σ = 227772666. Its totient is φ = 75924220.

The previous prime is 151848409. The next prime is 151848449. The reversal of 151848442 is 244848151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 133194681 + 18653761 = 11541^2 + 4319^2 .

It is not an unprimeable number, because it can be changed into a prime (151848449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37962109 + ... + 37962112.

Almost surely, 2^151848442 is an apocalyptic number.

151848442 is a deficient number, since it is larger than the sum of its proper divisors (75924224).

151848442 is an equidigital number, since it uses as much as digits as its factorization.

151848442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75924223.

The product of its digits is 40960, while the sum is 37.

The square root of 151848442 is about 12322.6799844839. The cubic root of 151848442 is about 533.5028946104.

The spelling of 151848442 in words is "one hundred fifty-one million, eight hundred forty-eight thousand, four hundred forty-two".