154234631099 has 4 divisors (see below), whose sum is σ = 155360431464. Its totient is φ = 153108830736.

The previous prime is 154234631093. The next prime is 154234631113. The reversal of 154234631099 is 990136432451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990136432451 = 222059 ⋅4458889.

It is a cyclic number.

It is not a de Polignac number, because 154234631099 - 2³² = 149939663803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154234631093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562899977 + ... + 562900250.

It is an arithmetic number, because the mean of its divisors is an integer number (38840107866).

Almost surely, 2^154234631099 is an apocalyptic number.

154234631099 is a deficient number, since it is larger than the sum of its proper divisors (1125800365).

154234631099 is a wasteful number, since it uses less digits than its factorization.

154234631099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125800364.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 154234631099 in words is "one hundred fifty-four billion, two hundred thirty-four million, six hundred thirty-one thousand, ninety-nine".