155245436 has 6 divisors (see below), whose sum is σ = 271679520. Its totient is φ = 77622716.

The previous prime is 155245429. The next prime is 155245463. The reversal of 155245436 is 634542551.

155245436 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×155245436² = 48202290797660192, which contains 22 as substring.

155245436 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 155245396 and 155245405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19405676 + ... + 19405683.

It is an arithmetic number, because the mean of its divisors is an integer number (45279920).

Almost surely, 2^155245436 is an apocalyptic number.

It is an amenable number.

155245436 is a deficient number, since it is larger than the sum of its proper divisors (116434084).

155245436 is a wasteful number, since it uses less digits than its factorization.

155245436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38811363 (or 38811361 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 155245436 is about 12459.7526460199. The cubic root of 155245436 is about 537.4519139243.

Adding to 155245436 its reverse (634542551), we get a palindrome (789787987).

The spelling of 155245436 in words is "one hundred fifty-five million, two hundred forty-five thousand, four hundred thirty-six".