155220154 has 16 divisors (see below), whose sum is σ = 235872000. Its totient is φ = 76603024.

The previous prime is 155220127. The next prime is 155220181. The reversal of 155220154 is 451022551.

It is an interprime number because it is at equal distance from previous prime (155220127) and next prime (155220181).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48207 + ... + 51325.

It is an arithmetic number, because the mean of its divisors is an integer number (14742000).

Almost surely, 2^155220154 is an apocalyptic number.

155220154 is a deficient number, since it is larger than the sum of its proper divisors (80651846).

155220154 is a wasteful number, since it uses less digits than its factorization.

155220154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 155220154 is about 12458.7380580860. The cubic root of 155220154 is about 537.4227373350.

The spelling of 155220154 in words is "one hundred fifty-five million, two hundred twenty thousand, one hundred fifty-four".