1145072942 has 8 divisors (see below), whose sum is σ = 1849733256. Its totient is φ = 528495192.

The previous prime is 1145072923. The next prime is 1145072953. The reversal of 1145072942 is 2492705411.

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

It is a super-2 number, since 2×1145072942² = 2622384085001070728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22020608 + ... + 22020659.

It is an arithmetic number, because the mean of its divisors is an integer number (231216657).

Almost surely, 2^1145072942 is an apocalyptic number.

1145072942 is a deficient number, since it is larger than the sum of its proper divisors (704660314).

1145072942 is a wasteful number, since it uses less digits than its factorization.

1145072942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44041282.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1145072942 is about 33838.9264309611. The cubic root of 1145072942 is about 1046.1911714754.

The spelling of 1145072942 in words is "one billion, one hundred forty-five million, seventy-two thousand, nine hundred forty-two".