140455155 has 16 divisors (see below), whose sum is σ = 226831104. Its totient is φ = 74208480.

The previous prime is 140455153. The next prime is 140455177. The reversal of 140455155 is 551554041.

It is not a de Polignac number, because 140455155 - 2¹ = 140455153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140455153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42151 + ... + 45360.

It is an arithmetic number, because the mean of its divisors is an integer number (14176944).

Almost surely, 2^140455155 is an apocalyptic number.

140455155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140455155 is a deficient number, since it is larger than the sum of its proper divisors (86375949).

140455155 is a wasteful number, since it uses less digits than its factorization.

140455155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87626.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 140455155 is about 11851.3777680066. The cubic root of 140455155 is about 519.8115132941.

The spelling of 140455155 in words is "one hundred forty million, four hundred fifty-five thousand, one hundred fifty-five".