154101821950 has 12 divisors (see below), whose sum is σ = 286629388920. Its totient is φ = 61640728760.

The previous prime is 154101821911. The next prime is 154101821957. The reversal of 154101821950 is 59128101451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154101821957) 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, 1541018170 + ... + 1541018269.

It is an arithmetic number, because the mean of its divisors is an integer number (23885782410).

Almost surely, 2^154101821950 is an apocalyptic number.

154101821950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154101821950 is a deficient number, since it is larger than the sum of its proper divisors (132527566970).

154101821950 is a wasteful number, since it uses less digits than its factorization.

154101821950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082036451 (or 3082036446 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 37.

The spelling of 154101821950 in words is "one hundred fifty-four billion, one hundred one million, eight hundred twenty-one thousand, nine hundred fifty".