1046642158 has 4 divisors (see below), whose sum is σ = 1569963240. Its totient is φ = 523321078.

The previous prime is 1046642153. The next prime is 1046642171. The reversal of 1046642158 is 8512466401.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046642153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261660538 + ... + 261660541.

It is an arithmetic number, because the mean of its divisors is an integer number (392490810).

Almost surely, 2^1046642158 is an apocalyptic number.

1046642158 is a deficient number, since it is larger than the sum of its proper divisors (523321082).

1046642158 is an equidigital number, since it uses as much as digits as its factorization.

1046642158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523321081.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1046642158 is about 32351.8493752676. The cubic root of 1046642158 is about 1015.3117400086.

It can be divided in two parts, 1046 and 642158, that added together give a square (643204 = 802²).

The spelling of 1046642158 in words is "one billion, forty-six million, six hundred forty-two thousand, one hundred fifty-eight".