149215045 has 24 divisors (see below), whose sum is σ = 209287584. Its totient is φ = 101830176.

The previous prime is 149215021. The next prime is 149215049. The reversal of 149215045 is 540512941.

149215045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149215045 - 2⁵ = 149215013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149214998 and 149215016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149215049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54274 + ... + 56956.

It is an arithmetic number, because the mean of its divisors is an integer number (8720316).

Almost surely, 2^149215045 is an apocalyptic number.

It is an amenable number.

149215045 is a deficient number, since it is larger than the sum of its proper divisors (60072539).

149215045 is a wasteful number, since it uses less digits than its factorization.

149215045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929 (or 2922 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 149215045 is about 12215.3610261834. The cubic root of 149215045 is about 530.4008418934.

Adding to 149215045 its reverse (540512941), we get a palindrome (689727986).

The spelling of 149215045 in words is "one hundred forty-nine million, two hundred fifteen thousand, forty-five".