155061102 has 32 divisors (see below), whose sum is σ = 354873600. Its totient is φ = 44247168.

The previous prime is 155061079. The next prime is 155061107. The reversal of 155061102 is 201160551.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155061107) 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, 40549 + ... + 44207.

It is an arithmetic number, because the mean of its divisors is an integer number (11089800).

Almost surely, 2^155061102 is an apocalyptic number.

155061102 is an abundant number, since it is smaller than the sum of its proper divisors (199812498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155061102 is a wasteful number, since it uses less digits than its factorization.

155061102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 155061102 is about 12452.3532715708. The cubic root of 155061102 is about 537.2391113222.

The spelling of 155061102 in words is "one hundred fifty-five million, sixty-one thousand, one hundred two".