155024245 has 8 divisors (see below), whose sum is σ = 190355616. Its totient is φ = 121135056.

The previous prime is 155024237. The next prime is 155024267. The reversal of 155024245 is 542420551.

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

It is a cyclic number.

It is not a de Polignac number, because 155024245 - 2³ = 155024237 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 360307 + ... + 360736.

It is an arithmetic number, because the mean of its divisors is an integer number (23794452).

Almost surely, 2^155024245 is an apocalyptic number.

It is an amenable number.

155024245 is a deficient number, since it is larger than the sum of its proper divisors (35331371).

155024245 is an equidigital number, since it uses as much as digits as its factorization.

155024245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721091.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 155024245 is about 12450.8732625467. The cubic root of 155024245 is about 537.1965418862.

Adding to 155024245 its reverse (542420551), we get a palindrome (697444796).

The spelling of 155024245 in words is "one hundred fifty-five million, twenty-four thousand, two hundred forty-five".