155300001 has 16 divisors (see below), whose sum is σ = 209688960. Its totient is φ = 102228480.

The previous prime is 155299997. The next prime is 155300003. The reversal of 155300001 is 100003551.

It is not a de Polignac number, because 155300001 - 2² = 155299997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155300003) 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, 166705 + ... + 167633.

It is an arithmetic number, because the mean of its divisors is an integer number (13105560).

Almost surely, 2^155300001 is an apocalyptic number.

It is an amenable number.

155300001 is a deficient number, since it is larger than the sum of its proper divisors (54388959).

155300001 is a wasteful number, since it uses less digits than its factorization.

155300001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 155300001 is about 12461.9421038617. The cubic root of 155300001 is about 537.5148736465.

Adding to 155300001 its reverse (100003551), we get a palindrome (255303552).

The spelling of 155300001 in words is "one hundred fifty-five million, three hundred thousand, one".