154951552 has 128 divisors (see below), whose sum is σ = 376796160. Its totient is φ = 62042112.

The previous prime is 154951541. The next prime is 154951561. The reversal of 154951552 is 255159451.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1504333 + ... + 1504435.

It is an arithmetic number, because the mean of its divisors is an integer number (2943720).

Almost surely, 2^154951552 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 154951552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188398080).

154951552 is an abundant number, since it is smaller than the sum of its proper divisors (221844608).

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

154951552 is a wasteful number, since it uses less digits than its factorization.

154951552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 208 counting only the distinct ones).

The product of its digits is 45000, while the sum is 37.

The square root of 154951552 is about 12447.9537274204. The cubic root of 154951552 is about 537.1125624769.

The spelling of 154951552 in words is "one hundred fifty-four million, nine hundred fifty-one thousand, five hundred fifty-two".