149310541 has 4 divisors (see below), whose sum is σ = 158093532. Its totient is φ = 140527552.

The previous prime is 149310529. The next prime is 149310547. The reversal of 149310541 is 145013941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145013941 = 47 ⋅3085403.

It can be written as a sum of positive squares in 2 ways, for example, as 43837641 + 105472900 = 6621^2 + 10270^2 .

It is a cyclic number.

It is not a de Polignac number, because 149310541 - 2²⁷ = 15092813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149310547) 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 3 ways as a sum of consecutive naturals, for example, 4391470 + ... + 4391503.

It is an arithmetic number, because the mean of its divisors is an integer number (39523383).

Almost surely, 2^149310541 is an apocalyptic number.

It is an amenable number.

149310541 is a deficient number, since it is larger than the sum of its proper divisors (8782991).

149310541 is an equidigital number, since it uses as much as digits as its factorization.

149310541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8782990.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 149310541 is about 12219.2692498365. The cubic root of 149310541 is about 530.5139680134.

The spelling of 149310541 in words is "one hundred forty-nine million, three hundred ten thousand, five hundred forty-one".