155106001 has 4 divisors (see below), whose sum is σ = 156974832. Its totient is φ = 153237172.

The previous prime is 155105999. The next prime is 155106013. The reversal of 155106001 is 100601551.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100601551 = 29 ⋅3469019.

It is a cyclic number.

It is not a de Polignac number, because 155106001 - 2¹ = 155105999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155106001.

It is not an unprimeable number, because it can be changed into a prime (155106041) 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, 934291 + ... + 934456.

It is an arithmetic number, because the mean of its divisors is an integer number (39243708).

Almost surely, 2^155106001 is an apocalyptic number.

It is an amenable number.

155106001 is a deficient number, since it is larger than the sum of its proper divisors (1868831).

155106001 is an equidigital number, since it uses as much as digits as its factorization.

155106001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868830.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 155106001 is about 12454.1559730076. The cubic root of 155106001 is about 537.2909600682.

Adding to 155106001 its reverse (100601551), we get a palindrome (255707552).

The spelling of 155106001 in words is "one hundred fifty-five million, one hundred six thousand, one".