145641942 has 16 divisors (see below), whose sum is σ = 323648880. Its totient is φ = 48547296.

The previous prime is 145641929. The next prime is 145641961. The reversal of 145641942 is 249146541.

145641942 is a `hidden beast` number, since 1 + 4 + 5 + 641 + 9 + 4 + 2 = 666.

145641942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145641897 and 145641906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1348483 + ... + 1348590.

It is an arithmetic number, because the mean of its divisors is an integer number (20228055).

Almost surely, 2^145641942 is an apocalyptic number.

145641942 is an abundant number, since it is smaller than the sum of its proper divisors (178006938).

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

145641942 is a wasteful number, since it uses less digits than its factorization.

145641942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697084 (or 2697078 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 145641942 is about 12068.2203327583. The cubic root of 145641942 is about 526.1329330005.

The spelling of 145641942 in words is "one hundred forty-five million, six hundred forty-one thousand, nine hundred forty-two".