154052140 has 24 divisors (see below), whose sum is σ = 352919952. Its totient is φ = 56018880.

The previous prime is 154052131. The next prime is 154052149. The reversal of 154052140 is 41250451.

It is an interprime number because it is at equal distance from previous prime (154052131) and next prime (154052149).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (154052149) 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 7 ways as a sum of consecutive naturals, for example, 349899 + ... + 350338.

It is an arithmetic number, because the mean of its divisors is an integer number (14704998).

Almost surely, 2^154052140 is an apocalyptic number.

154052140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154052140 is an abundant number, since it is smaller than the sum of its proper divisors (198867812).

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

154052140 is a wasteful number, since it uses less digits than its factorization.

154052140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700257 (or 700255 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 154052140 is about 12411.7742486721. The cubic root of 154052140 is about 536.0713269229.

The spelling of 154052140 in words is "one hundred fifty-four million, fifty-two thousand, one hundred forty".