1142373550 has 12 divisors (see below), whose sum is σ = 2124814896. Its totient is φ = 456949400.

The previous prime is 1142373523. The next prime is 1142373553. The reversal of 1142373550 is 553732411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142373553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11423686 + ... + 11423785.

It is an arithmetic number, because the mean of its divisors is an integer number (177067908).

Almost surely, 2^1142373550 is an apocalyptic number.

1142373550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142373550 is a deficient number, since it is larger than the sum of its proper divisors (982441346).

1142373550 is a wasteful number, since it uses less digits than its factorization.

1142373550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22847483 (or 22847478 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 1142373550 is about 33799.0169975400. The cubic root of 1142373550 is about 1045.3684285025.

The spelling of 1142373550 in words is "one billion, one hundred forty-two million, three hundred seventy-three thousand, five hundred fifty".