155241492050 has 18 divisors (see below), whose sum is σ = 288754357359. Its totient is φ = 62095482400.

The previous prime is 155241492023. The next prime is 155241492059. The reversal of 155241492050 is 50294142551.

It can be written as a sum of positive squares in 5 ways, for example, as 150029951569 + 5211540481 = 387337^2 + 72191^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=278605.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155241491995 and 155241492013.

It is not an unprimeable number, because it can be changed into a prime (155241492059) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2758190 + ... + 2813910.

Almost surely, 2^155241492050 is an apocalyptic number.

155241492050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155241492050 is a deficient number, since it is larger than the sum of its proper divisors (133512865309).

155241492050 is an frugal number, since it uses more digits than its factorization.

155241492050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111454 (or 55728 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 155241492050 in words is "one hundred fifty-five billion, two hundred forty-one million, four hundred ninety-two thousand, fifty".