155262801 has 4 divisors (see below), whose sum is σ = 207017072. Its totient is φ = 103508532.

The previous prime is 155262797. The next prime is 155262803. The reversal of 155262801 is 108262551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 155262801 - 2² = 155262797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155262803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25877131 + ... + 25877136.

It is an arithmetic number, because the mean of its divisors is an integer number (51754268).

Almost surely, 2^155262801 is an apocalyptic number.

It is an amenable number.

155262801 is a deficient number, since it is larger than the sum of its proper divisors (51754271).

155262801 is an equidigital number, since it uses as much as digits as its factorization.

155262801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51754270.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 155262801 is about 12460.4494702238. The cubic root of 155262801 is about 537.4719520969.

The spelling of 155262801 in words is "one hundred fifty-five million, two hundred sixty-two thousand, eight hundred one".