1158345442 has 16 divisors (see below), whose sum is σ = 1798078464. Its totient is φ = 559080000.

The previous prime is 1158345437. The next prime is 1158345443. The reversal of 1158345442 is 2445438511.

It is not an unprimeable number, because it can be changed into a prime (1158345443) 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, 1567 + ... + 48157.

It is an arithmetic number, because the mean of its divisors is an integer number (112379904).

Almost surely, 2^1158345442 is an apocalyptic number.

1158345442 is a deficient number, since it is larger than the sum of its proper divisors (639733022).

1158345442 is a wasteful number, since it uses less digits than its factorization.

1158345442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47025.

The product of its digits is 76800, while the sum is 37.

The square root of 1158345442 is about 34034.4743164927. The cubic root of 1158345442 is about 1050.2177755396.

The spelling of 1158345442 in words is "one billion, one hundred fifty-eight million, three hundred forty-five thousand, four hundred forty-two".