155153340 has 48 divisors (see below), whose sum is σ = 482700960. Its totient is φ = 41374080.

The previous prime is 155153333. The next prime is 155153353. The reversal of 155153340 is 43351551.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143121 + ... + 144200.

It is an arithmetic number, because the mean of its divisors is an integer number (10056270).

Almost surely, 2^155153340 is an apocalyptic number.

155153340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155153340 is an abundant number, since it is smaller than the sum of its proper divisors (327547620).

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

155153340 is a wasteful number, since it uses less digits than its factorization.

155153340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287339 (or 287331 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 155153340 is about 12456.0563582540. The cubic root of 155153340 is about 537.3456156573.

The spelling of 155153340 in words is "one hundred fifty-five million, one hundred fifty-three thousand, three hundred forty".