149624025951557 has 2 divisors, whose sum is σ = 149624025951558. Its totient is φ = 149624025951556.

The previous prime is 149624025951527. The next prime is 149624025951599. The reversal of 149624025951557 is 755159520426941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148983848339236 + 640177612321 = 12205894^2 + 800111^2 .

It is a cyclic number.

It is not a de Polignac number, because 149624025951557 - 2⁴² = 145225979440453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149624025951493 and 149624025951502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149624025951527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74812012975778 + 74812012975779.

It is an arithmetic number, because the mean of its divisors is an integer number (74812012975779).

Almost surely, 2^{149624025951557} is an apocalyptic number.

It is an amenable number.

149624025951557 is a deficient number, since it is larger than the sum of its proper divisors (1).

149624025951557 is an equidigital number, since it uses as much as digits as its factorization.

149624025951557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080000, while the sum is 65.

The spelling of 149624025951557 in words is "one hundred forty-nine trillion, six hundred twenty-four billion, twenty-five million, nine hundred fifty-one thousand, five hundred fifty-seven".