149545465 has 8 divisors (see below), whose sum is σ = 182396808. Its totient is φ = 117674880.

The previous prime is 149545433. The next prime is 149545477. The reversal of 149545465 is 564545941.

It can be written as a sum of positive squares in 4 ways, for example, as 9809424 + 139736041 = 3132^2 + 11821^2 .

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

It is not a de Polignac number, because 149545465 - 2⁵ = 149545433 is a prime.

It is a super-2 number, since 2×149545465² = 44727692204132450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244852 + ... + 245461.

It is an arithmetic number, because the mean of its divisors is an integer number (22799601).

Almost surely, 2^149545465 is an apocalyptic number.

It is an amenable number.

149545465 is a deficient number, since it is larger than the sum of its proper divisors (32851343).

149545465 is an equidigital number, since it uses as much as digits as its factorization.

149545465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490379.

The product of its digits is 432000, while the sum is 43.

The square root of 149545465 is about 12228.8783214161. The cubic root of 149545465 is about 530.7920576813.

The spelling of 149545465 in words is "one hundred forty-nine million, five hundred forty-five thousand, four hundred sixty-five".