151790945 has 8 divisors (see below), whose sum is σ = 182232936. Its totient is φ = 121376896.

The previous prime is 151790941. The next prime is 151790953. The reversal of 151790945 is 549097151.

It can be written as a sum of positive squares in 4 ways, for example, as 3243601 + 148547344 = 1801^2 + 12188^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 151790945 - 2² = 151790941 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151790941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7829 + ... + 19101.

It is an arithmetic number, because the mean of its divisors is an integer number (22779117).

Almost surely, 2^151790945 is an apocalyptic number.

It is an amenable number.

151790945 is a deficient number, since it is larger than the sum of its proper divisors (30441991).

151790945 is a wasteful number, since it uses less digits than its factorization.

151790945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13971.

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 151790945 is about 12320.3467889504. The cubic root of 151790945 is about 533.4355496359.

The spelling of 151790945 in words is "one hundred fifty-one million, seven hundred ninety thousand, nine hundred forty-five".