149161584 has 160 divisors (see below), whose sum is σ = 467970048. Its totient is φ = 40320000.

The previous prime is 149161577. The next prime is 149161591. The reversal of 149161584 is 485161941.

It is an interprime number because it is at equal distance from previous prime (149161577) and next prime (149161591).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212434 + ... + 213134.

Almost surely, 2^149161584 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149161584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233985024).

149161584 is an abundant number, since it is smaller than the sum of its proper divisors (318808464).

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

149161584 is a wasteful number, since it uses less digits than its factorization.

149161584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 761 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 149161584 is about 12213.1725608050. The cubic root of 149161584 is about 530.3374900455.

The spelling of 149161584 in words is "one hundred forty-nine million, one hundred sixty-one thousand, five hundred eighty-four".