155454340 has 48 divisors (see below), whose sum is σ = 331490880. Its totient is φ = 61232000.

The previous prime is 155454337. The next prime is 155454347. The reversal of 155454340 is 43454551.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (155454347) 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, 619215 + ... + 619465.

It is an arithmetic number, because the mean of its divisors is an integer number (6906060).

Almost surely, 2^155454340 is an apocalyptic number.

155454340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155454340 is an abundant number, since it is smaller than the sum of its proper divisors (176036540).

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

155454340 is a wasteful number, since it uses less digits than its factorization.

155454340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 155454340 is about 12468.1329797207. The cubic root of 155454340 is about 537.6928775972.

The spelling of 155454340 in words is "one hundred fifty-five million, four hundred fifty-four thousand, three hundred forty".