155140302 has 16 divisors (see below), whose sum is σ = 317496960. Its totient is φ = 50510712.

The previous prime is 155140289. The next prime is 155140319. The reversal of 155140302 is 203041551.

155140302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 300402 + ... + 300917.

It is an arithmetic number, because the mean of its divisors is an integer number (19843560).

Almost surely, 2^155140302 is an apocalyptic number.

155140302 is an abundant number, since it is smaller than the sum of its proper divisors (162356658).

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

155140302 is a wasteful number, since it uses less digits than its factorization.

155140302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601367.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 155140302 is about 12455.5329873916. The cubic root of 155140302 is about 537.3305636484.

Adding to 155140302 its reverse (203041551), we get a palindrome (358181853).

The spelling of 155140302 in words is "one hundred fifty-five million, one hundred forty thousand, three hundred two".