154007940 has 48 divisors (see below), whose sum is σ = 441258048. Its totient is φ = 40113024.

The previous prime is 154007933. The next prime is 154007941. The reversal of 154007940 is 49700451.

It is a happy number.

154007940 is digitally balanced in base 2, 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 = 154007898 and 154007907.

It is not an unprimeable number, because it can be changed into a prime (154007941) 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, 27267 + ... + 32426.

It is an arithmetic number, because the mean of its divisors is an integer number (9192876).

Almost surely, 2^154007940 is an apocalyptic number.

154007940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154007940 is an abundant number, since it is smaller than the sum of its proper divisors (287250108).

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

154007940 is a wasteful number, since it uses less digits than its factorization.

154007940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59748 (or 59746 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 154007940 is about 12409.9935535841. The cubic root of 154007940 is about 536.0200528994.

The spelling of 154007940 in words is "one hundred fifty-four million, seven thousand, nine hundred forty".