155268340 has 24 divisors (see below), whose sum is σ = 326333952. Its totient is φ = 62055840.

The previous prime is 155268319. The next prime is 155268389. The reversal of 155268340 is 43862551.

It is a super-3 number, since 3×155268340³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155268296 and 155268305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29725 + ... + 34555.

It is an arithmetic number, because the mean of its divisors is an integer number (13597248).

Almost surely, 2^155268340 is an apocalyptic number.

155268340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155268340 is an abundant number, since it is smaller than the sum of its proper divisors (171065612).

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

155268340 is a wasteful number, since it uses less digits than its factorization.

155268340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447 (or 6445 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 155268340 is about 12460.6717314918. The cubic root of 155268340 is about 537.4783434577.

The spelling of 155268340 in words is "one hundred fifty-five million, two hundred sixty-eight thousand, three hundred forty".