1154377242 has 12 divisors (see below), whose sum is σ = 2501150730. Its totient is φ = 384792408.

The previous prime is 1154377241. The next prime is 1154377249. The reversal of 1154377242 is 2427734511.

1154377242 is a `hidden beast` number, since 1 + 1 + 543 + 7 + 72 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1141696521 + 12680721 = 33789^2 + 3561^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1154377197 and 1154377206.

It is not an unprimeable number, because it can be changed into a prime (1154377241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32066017 + ... + 32066052.

Almost surely, 2^1154377242 is an apocalyptic number.

1154377242 is an abundant number, since it is smaller than the sum of its proper divisors (1346773488).

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

1154377242 is a wasteful number, since it uses less digits than its factorization.

1154377242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64132077 (or 64132074 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 1154377242 is about 33976.1275309591. The cubic root of 1154377242 is about 1049.0171428643.

The spelling of 1154377242 in words is "one billion, one hundred fifty-four million, three hundred seventy-seven thousand, two hundred forty-two".