149631536 has 40 divisors (see below), whose sum is σ = 310210800. Its totient is φ = 69707520.

The previous prime is 149631511. The next prime is 149631539. The reversal of 149631536 is 635136941.

149631536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 149631536.

It is not an unprimeable number, because it can be changed into a prime (149631539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14510 + ... + 22578.

It is an arithmetic number, because the mean of its divisors is an integer number (7755270).

Almost surely, 2^149631536 is an apocalyptic number.

149631536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149631536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155105400).

149631536 is an abundant number, since it is smaller than the sum of its proper divisors (160579264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149631536 is a wasteful number, since it uses less digits than its factorization.

149631536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8157 (or 8151 counting only the distinct ones).

The product of its digits is 58320, while the sum is 38.

The square root of 149631536 is about 12232.3969850557. The cubic root of 149631536 is about 530.8938707346.

The spelling of 149631536 in words is "one hundred forty-nine million, six hundred thirty-one thousand, five hundred thirty-six".