154553340 has 48 divisors (see below), whose sum is σ = 435431808. Its totient is φ = 40958784.

The previous prime is 154553339. The next prime is 154553351. The reversal of 154553340 is 43355451.

154553340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 154553298 and 154553307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1879 + ... + 17681.

It is an arithmetic number, because the mean of its divisors is an integer number (9071496).

Almost surely, 2^154553340 is an apocalyptic number.

154553340 is a gapful number since it is divisible by the number (10) 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 154553340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217715904).

154553340 is an abundant number, since it is smaller than the sum of its proper divisors (280878468).

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

154553340 is a wasteful number, since it uses less digits than its factorization.

154553340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15978 (or 15976 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 154553340 is about 12431.9483589661. The cubic root of 154553340 is about 536.6520569217.

The spelling of 154553340 in words is "one hundred fifty-four million, five hundred fifty-three thousand, three hundred forty".