1153450634 has 32 divisors (see below), whose sum is σ = 1997466240. Its totient is φ = 489328128.

The previous prime is 1153450633. The next prime is 1153450637. The reversal of 1153450634 is 4360543511.

It is a self number, because there is not a number n which added to its sum of digits gives 1153450634.

It is not an unprimeable number, because it can be changed into a prime (1153450631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 888674 + ... + 889970.

It is an arithmetic number, because the mean of its divisors is an integer number (62420820).

Almost surely, 2^1153450634 is an apocalyptic number.

1153450634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1153450634 is a deficient number, since it is larger than the sum of its proper divisors (844015606).

1153450634 is a wasteful number, since it uses less digits than its factorization.

1153450634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1153450634 is about 33962.4886308409. The cubic root of 1153450634 is about 1048.7363889257.

The spelling of 1153450634 in words is "one billion, one hundred fifty-three million, four hundred fifty thousand, six hundred thirty-four".