145018692 has 72 divisors (see below), whose sum is σ = 451179456. Its totient is φ = 38245824.

The previous prime is 145018691. The next prime is 145018733. The reversal of 145018692 is 296810541.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (145018691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18858 + ... + 25409.

Almost surely, 2^145018692 is an apocalyptic number.

145018692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145018692 is an abundant number, since it is smaller than the sum of its proper divisors (306160764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145018692 is a wasteful number, since it uses less digits than its factorization.

145018692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44297 (or 44292 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 145018692 is about 12042.3706968354. The cubic root of 145018692 is about 525.3813610068.

The spelling of 145018692 in words is "one hundred forty-five million, eighteen thousand, six hundred ninety-two".