155345470 has 16 divisors (see below), whose sum is σ = 319567968. Its totient is φ = 53261280.

The previous prime is 155345461. The next prime is 155345471. The reversal of 155345470 is 74543551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155345471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109541 + ... + 1109680.

It is an arithmetic number, because the mean of its divisors is an integer number (19972998).

Almost surely, 2^155345470 is an apocalyptic number.

155345470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155345470 is an abundant number, since it is smaller than the sum of its proper divisors (164222498).

155345470 is a wasteful number, since it uses less digits than its factorization.

155345470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219235.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 155345470 is about 12463.7662847151. The cubic root of 155345470 is about 537.5673267025.

The spelling of 155345470 in words is "one hundred fifty-five million, three hundred forty-five thousand, four hundred seventy".