149896045 has 16 divisors (see below), whose sum is σ = 194584320. Its totient is φ = 110193984.

The previous prime is 149896009. The next prime is 149896069. The reversal of 149896045 is 540698941.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 149896045 - 2¹⁹ = 149371757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149895986 and 149896004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9676 + ... + 19834.

It is an arithmetic number, because the mean of its divisors is an integer number (12161520).

Almost surely, 2^149896045 is an apocalyptic number.

It is an amenable number.

149896045 is a deficient number, since it is larger than the sum of its proper divisors (44688275).

149896045 is a wasteful number, since it uses less digits than its factorization.

149896045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10404.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 149896045 is about 12243.2040332586. The cubic root of 149896045 is about 531.2065132570.

The spelling of 149896045 in words is "one hundred forty-nine million, eight hundred ninety-six thousand, forty-five".