1142626254 has 32 divisors (see below), whose sum is σ = 2849147136. Its totient is φ = 296785920.

The previous prime is 1142626249. The next prime is 1142626271. The reversal of 1142626254 is 4526262411.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1236147 + ... + 1237070.

It is an arithmetic number, because the mean of its divisors is an integer number (89035848).

Almost surely, 2^1142626254 is an apocalyptic number.

1142626254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1142626254 is an abundant number, since it is smaller than the sum of its proper divisors (1706520882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142626254 is a wasteful number, since it uses less digits than its factorization.

1142626254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473240.

The product of its digits is 23040, while the sum is 33.

The square root of 1142626254 is about 33802.7551243978. The cubic root of 1142626254 is about 1045.4455046647.

Adding to 1142626254 its reverse (4526262411), we get a palindrome (5668888665).

The spelling of 1142626254 in words is "one billion, one hundred forty-two million, six hundred twenty-six thousand, two hundred fifty-four".