154087940 has 48 divisors (see below), whose sum is σ = 334152000. Its totient is φ = 59655552.

The previous prime is 154087939. The next prime is 154087951. The reversal of 154087940 is 49780451.

It is a junction number, because it is equal to n+sod(n) for n = 154087894 and 154087903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78086 + ... + 80034.

It is an arithmetic number, because the mean of its divisors is an integer number (6961500).

Almost surely, 2^154087940 is an apocalyptic number.

154087940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154087940 is an abundant number, since it is smaller than the sum of its proper divisors (180064060).

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

154087940 is a wasteful number, since it uses less digits than its factorization.

154087940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084 (or 2082 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 154087940 is about 12413.2163438812. The cubic root of 154087940 is about 536.1128493734.

The spelling of 154087940 in words is "one hundred fifty-four million, eighty-seven thousand, nine hundred forty".