140575155 has 16 divisors (see below), whose sum is σ = 257051904. Its totient is φ = 64262880.

The previous prime is 140575153. The next prime is 140575187. The reversal of 140575155 is 551575041.

It is a happy number.

It is not a de Polignac number, because 140575155 - 2¹ = 140575153 is a prime.

It is a super-3 number, since 3×140575155³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (140575153) 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, 669301 + ... + 669510.

It is an arithmetic number, because the mean of its divisors is an integer number (16065744).

Almost surely, 2^140575155 is an apocalyptic number.

140575155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140575155 is a deficient number, since it is larger than the sum of its proper divisors (116476749).

140575155 is a wasteful number, since it uses less digits than its factorization.

140575155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338826.

The product of its (nonzero) digits is 17500, while the sum is 33.

The square root of 140575155 is about 11856.4393896313. The cubic root of 140575155 is about 519.9595074485.

The spelling of 140575155 in words is "one hundred forty million, five hundred seventy-five thousand, one hundred fifty-five".