140462145 has 24 divisors (see below), whose sum is σ = 246407616. Its totient is φ = 74008608.

The previous prime is 140462093. The next prime is 140462159. The reversal of 140462145 is 541264041.

It is not a de Polignac number, because 140462145 - 2¹¹ = 140460097 is a prime.

It is a super-2 number, since 2×140462145² = 39459228356002050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15069 + ... + 22538.

It is an arithmetic number, because the mean of its divisors is an integer number (10266984).

Almost surely, 2^140462145 is an apocalyptic number.

140462145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140462145 is a deficient number, since it is larger than the sum of its proper divisors (105945471).

140462145 is a wasteful number, since it uses less digits than its factorization.

140462145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37701 (or 37698 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 140462145 is about 11851.6726667589. The cubic root of 140462145 is about 519.8201362652.

The spelling of 140462145 in words is "one hundred forty million, four hundred sixty-two thousand, one hundred forty-five".