155140367 has 4 divisors (see below), whose sum is σ = 155342880. Its totient is φ = 154937856.

The previous prime is 155140361. The next prime is 155140379. The reversal of 155140367 is 763041551.

155140367 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 763041551 = 1049 ⋅727399.

It is a cyclic number.

It is not a de Polignac number, because 155140367 - 2¹⁰ = 155139343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155140361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100103 + ... + 101640.

It is an arithmetic number, because the mean of its divisors is an integer number (38835720).

Almost surely, 2^155140367 is an apocalyptic number.

155140367 is a deficient number, since it is larger than the sum of its proper divisors (202513).

155140367 is an equidigital number, since it uses as much as digits as its factorization.

155140367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202512.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 155140367 is about 12455.5355966735. The cubic root of 155140367 is about 537.3306386912.

The spelling of 155140367 in words is "one hundred fifty-five million, one hundred forty thousand, three hundred sixty-seven".