151554 has 32 divisors (see below), whose sum is σ = 342720. Its totient is φ = 44352.

The previous prime is 151553. The next prime is 151561. The reversal of 151554 is 455151.

151554 = T₁₇₉ + T₁₈₀ + ... + T₁₈₇.

It is a super-2 number, since 2×151554² = 45937229832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2229 + ... + 2295.

It is an arithmetic number, because the mean of its divisors is an integer number (10710).

2¹⁵¹⁵⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171360).

151554 is an abundant number, since it is smaller than the sum of its proper divisors (191166).

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

151554 is a wasteful number, since it uses less digits than its factorization.

151554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114.

The product of its digits is 500, while the sum is 21.

The square root of 151554 is about 389.2993706648. The cubic root of 151554 is about 53.3157841567.

It can be divided in two parts, 1515 and 54, that multiplied together give a triangular number (81810 = T₄₀₄).

The spelling of 151554 in words is "one hundred fifty-one thousand, five hundred fifty-four".