154247442364 has 6 divisors (see below), whose sum is σ = 269933024144. Its totient is φ = 77123721180.

The previous prime is 154247442331. The next prime is 154247442403. The reversal of 154247442364 is 463244742451.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19280930292 + ... + 19280930299.

Almost surely, 2^154247442364 is an apocalyptic number.

It is an amenable number.

154247442364 is a deficient number, since it is larger than the sum of its proper divisors (115685581780).

154247442364 is a wasteful number, since it uses less digits than its factorization.

154247442364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38561860595 (or 38561860593 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 46.

The spelling of 154247442364 in words is "one hundred fifty-four billion, two hundred forty-seven million, four hundred forty-two thousand, three hundred sixty-four".