1146603549 has 16 divisors (see below), whose sum is σ = 1881606272. Its totient is φ = 604801728.

The previous prime is 1146603533. The next prime is 1146603571. The reversal of 1146603549 is 9453066411.

It is not a de Polignac number, because 1146603549 - 2⁴ = 1146603533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146603509) 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, 2099734 + ... + 2100279.

It is an arithmetic number, because the mean of its divisors is an integer number (117600392).

Almost surely, 2^1146603549 is an apocalyptic number.

It is an amenable number.

1146603549 is a deficient number, since it is larger than the sum of its proper divisors (735002723).

1146603549 is a wasteful number, since it uses less digits than its factorization.

1146603549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200036.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1146603549 is about 33861.5349474887. The cubic root of 1146603549 is about 1046.6571081907.

The spelling of 1146603549 in words is "one billion, one hundred forty-six million, six hundred three thousand, five hundred forty-nine".