140286545 has 32 divisors (see below), whose sum is σ = 201899520. Its totient is φ = 91491840.

The previous prime is 140286529. The next prime is 140286551. The reversal of 140286545 is 545682041.

It is not a de Polignac number, because 140286545 - 2⁴ = 140286529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183965 + ... + 184725.

It is an arithmetic number, because the mean of its divisors is an integer number (6309360).

Almost surely, 2^140286545 is an apocalyptic number.

It is an amenable number.

140286545 is a deficient number, since it is larger than the sum of its proper divisors (61612975).

140286545 is a wasteful number, since it uses less digits than its factorization.

140286545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 140286545 is about 11844.2621129389. The cubic root of 140286545 is about 519.6034266772.

The spelling of 140286545 in words is "one hundred forty million, two hundred eighty-six thousand, five hundred forty-five".