155125983 has 16 divisors (see below), whose sum is σ = 214638336. Its totient is φ = 99583680.

The previous prime is 155125981. The next prime is 155126009. The reversal of 155125983 is 389521551.

It is not a de Polignac number, because 155125983 - 2¹ = 155125981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155125981) 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, 691 + ... + 17627.

It is an arithmetic number, because the mean of its divisors is an integer number (13414896).

Almost surely, 2^155125983 is an apocalyptic number.

155125983 is a deficient number, since it is larger than the sum of its proper divisors (59512353).

155125983 is a wasteful number, since it uses less digits than its factorization.

155125983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17054.

The product of its digits is 54000, while the sum is 39.

The square root of 155125983 is about 12454.9581693396. The cubic root of 155125983 is about 537.3140317888.

The spelling of 155125983 in words is "one hundred fifty-five million, one hundred twenty-five thousand, nine hundred eighty-three".