145115942 has 8 divisors (see below), whose sum is σ = 225180000. Its totient is φ = 70055944.

The previous prime is 145115941. The next prime is 145115959. The reversal of 145115942 is 249511541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 145115899 and 145115908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145115941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250942 + ... + 1251057.

It is an arithmetic number, because the mean of its divisors is an integer number (28147500).

Almost surely, 2^145115942 is an apocalyptic number.

145115942 is a deficient number, since it is larger than the sum of its proper divisors (80064058).

145115942 is a wasteful number, since it uses less digits than its factorization.

145115942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502030.

The product of its digits is 7200, while the sum is 32.

The square root of 145115942 is about 12046.4078463250. The cubic root of 145115942 is about 525.4987755731.

The spelling of 145115942 in words is "one hundred forty-five million, one hundred fifteen thousand, nine hundred forty-two".