156454340 has 48 divisors (see below), whose sum is σ = 376451712. Its totient is φ = 53504256.

The previous prime is 156454301. The next prime is 156454343. The reversal of 156454340 is 43454651.

It is a junction number, because it is equal to n+sod(n) for n = 156454297 and 156454306.

It is not an unprimeable number, because it can be changed into a prime (156454343) 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 15 ways as a sum of consecutive naturals, for example, 64184 + ... + 66576.

It is an arithmetic number, because the mean of its divisors is an integer number (7842744).

Almost surely, 2^156454340 is an apocalyptic number.

156454340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156454340 is an abundant number, since it is smaller than the sum of its proper divisors (219997372).

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

156454340 is a wasteful number, since it uses less digits than its factorization.

156454340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 156454340 is about 12508.1709294365. The cubic root of 156454340 is about 538.8433633951.

The spelling of 156454340 in words is "one hundred fifty-six million, four hundred fifty-four thousand, three hundred forty".