151349945 has 8 divisors (see below), whose sum is σ = 181779336. Its totient is φ = 120973696.

The previous prime is 151349941. The next prime is 151349971. The reversal of 151349945 is 549943151.

It can be written as a sum of positive squares in 4 ways, for example, as 35344 + 151314601 = 188^2 + 12301^2 .

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 151349945 - 2² = 151349941 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151349941) 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 in 7 ways as a sum of consecutive naturals, for example, 6722 + ... + 18651.

It is an arithmetic number, because the mean of its divisors is an integer number (22722417).

Almost surely, 2^151349945 is an apocalyptic number.

It is an amenable number.

151349945 is a deficient number, since it is larger than the sum of its proper divisors (30429391).

151349945 is a wasteful number, since it uses less digits than its factorization.

151349945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26571.

The product of its digits is 97200, while the sum is 41.

The square root of 151349945 is about 12302.4365472861. The cubic root of 151349945 is about 532.9184496953.

The spelling of 151349945 in words is "one hundred fifty-one million, three hundred forty-nine thousand, nine hundred forty-five".