154308252 has 144 divisors (see below), whose sum is σ = 455051520. Its totient is φ = 40416768.

The previous prime is 154308247. The next prime is 154308257. The reversal of 154308252 is 252803451.

It is an interprime number because it is at equal distance from previous prime (154308247) and next prime (154308257).

It is a super-2 number, since 2×154308252² = 47622073270591008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154308257) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 429649 + ... + 430007.

It is an arithmetic number, because the mean of its divisors is an integer number (3160080).

Almost surely, 2^154308252 is an apocalyptic number.

154308252 is a gapful number since it is divisible by the number (12) 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 154308252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227525760).

154308252 is an abundant number, since it is smaller than the sum of its proper divisors (300743268).

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

154308252 is a wasteful number, since it uses less digits than its factorization.

154308252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 154308252 is about 12422.0872642242. The cubic root of 154308252 is about 536.3682356748.

The spelling of 154308252 in words is "one hundred fifty-four million, three hundred eight thousand, two hundred fifty-two".