149986545 has 16 divisors (see below), whose sum is σ = 240535680. Its totient is φ = 79807104.

The previous prime is 149986531. The next prime is 149986559. The reversal of 149986545 is 545689941.

149986545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149986531) and next prime (149986559).

It is not a de Polignac number, because 149986545 - 2⁶ = 149986481 is a prime.

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, 4804 + ... + 17973.

It is an arithmetic number, because the mean of its divisors is an integer number (15033480).

Almost surely, 2^149986545 is an apocalyptic number.

149986545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149986545 is a deficient number, since it is larger than the sum of its proper divisors (90549135).

149986545 is a wasteful number, since it uses less digits than its factorization.

149986545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23224.

The product of its digits is 1555200, while the sum is 51.

The square root of 149986545 is about 12246.8994035225. The cubic root of 149986545 is about 531.3133973707.

The spelling of 149986545 in words is "one hundred forty-nine million, nine hundred eighty-six thousand, five hundred forty-five".