1154133542 has 16 divisors (see below), whose sum is σ = 1784376864. Its totient is φ = 559608000.

The previous prime is 1154133517. The next prime is 1154133557. The reversal of 1154133542 is 2453314511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57959 + ... + 75282.

It is an arithmetic number, because the mean of its divisors is an integer number (111523554).

Almost surely, 2^1154133542 is an apocalyptic number.

1154133542 is a deficient number, since it is larger than the sum of its proper divisors (630243322).

1154133542 is a wasteful number, since it uses less digits than its factorization.

1154133542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133375.

The product of its digits is 7200, while the sum is 29.

The square root of 1154133542 is about 33972.5410000488. The cubic root of 1154133542 is about 1048.9433185083.

The spelling of 1154133542 in words is "one billion, one hundred fifty-four million, one hundred thirty-three thousand, five hundred forty-two".