145003942 has 16 divisors (see below), whose sum is σ = 220584672. Its totient is φ = 71481600.

The previous prime is 145003927. The next prime is 145003949. The reversal of 145003942 is 249300541.

It is a super-2 number, since 2×145003942² = 42052286391078728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145003942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145003949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55567 + ... + 58117.

It is an arithmetic number, because the mean of its divisors is an integer number (13786542).

Almost surely, 2^145003942 is an apocalyptic number.

145003942 is a deficient number, since it is larger than the sum of its proper divisors (75580730).

145003942 is a wasteful number, since it uses less digits than its factorization.

145003942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 145003942 is about 12041.7582603206. The cubic root of 145003942 is about 525.3635480437.

The spelling of 145003942 in words is "one hundred forty-five million, three thousand, nine hundred forty-two".