157554 has 12 divisors (see below), whose sum is σ = 341406. Its totient is φ = 52512.

The previous prime is 157543. The next prime is 157559. The reversal of 157554 is 455751.

It can be written as a sum of positive squares in only one way, i.e., 106929 + 50625 = 327^2 + 225^2 .

It is a Curzon number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157559) by changing a digit.

157554 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4359 + ... + 4394.

2¹⁵⁷⁵⁵⁴ is an apocalyptic number.

157554 is an abundant number, since it is smaller than the sum of its proper divisors (183852).

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

157554 is a wasteful number, since it uses less digits than its factorization.

157554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8761 (or 8758 counting only the distinct ones).

The product of its digits is 3500, while the sum is 27.

The square root of 157554 is about 396.9307244344. The cubic root of 157554 is about 54.0102861064.

It can be divided in two parts, 15 and 7554, that added together give a square (7569 = 87²).

The spelling of 157554 in words is "one hundred fifty-seven thousand, five hundred fifty-four".