1154464642 has 8 divisors (see below), whose sum is σ = 1732226832. Its totient is φ = 577055700.

The previous prime is 1154464637. The next prime is 1154464651. The reversal of 1154464642 is 2464644511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79984 + ... + 93307.

It is an arithmetic number, because the mean of its divisors is an integer number (216528354).

Almost surely, 2^1154464642 is an apocalyptic number.

1154464642 is a deficient number, since it is larger than the sum of its proper divisors (577762190).

1154464642 is a wasteful number, since it uses less digits than its factorization.

1154464642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176624.

The product of its digits is 92160, while the sum is 37.

The square root of 1154464642 is about 33977.4137038121. The cubic root of 1154464642 is about 1049.0436165280.

The spelling of 1154464642 in words is "one billion, one hundred fifty-four million, four hundred sixty-four thousand, six hundred forty-two".