155245539 has 8 divisors (see below), whose sum is σ = 208893520. Its totient is φ = 102547296.

The previous prime is 155245537. The next prime is 155245553. The reversal of 155245539 is 935542551.

155245539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155245539 - 2¹ = 155245537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155245497 and 155245506.

It is not an unprimeable number, because it can be changed into a prime (155245537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237052 + ... + 237705.

It is an arithmetic number, because the mean of its divisors is an integer number (26111690).

Almost surely, 2^155245539 is an apocalyptic number.

155245539 is a deficient number, since it is larger than the sum of its proper divisors (53647981).

155245539 is a wasteful number, since it uses less digits than its factorization.

155245539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474869.

The product of its digits is 135000, while the sum is 39.

The square root of 155245539 is about 12459.7567793276. The cubic root of 155245539 is about 537.4520327845.

The spelling of 155245539 in words is "one hundred fifty-five million, two hundred forty-five thousand, five hundred thirty-nine".