148461553 has 2 divisors, whose sum is σ = 148461554. Its totient is φ = 148461552.

The previous prime is 148461503. The next prime is 148461569. The reversal of 148461553 is 355164841.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136819809 + 11641744 = 11697^2 + 3412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148461553 is a prime.

It is not a weakly prime, because it can be changed into another prime (148461503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74230776 + 74230777.

It is an arithmetic number, because the mean of its divisors is an integer number (74230777).

Almost surely, 2^148461553 is an apocalyptic number.

It is an amenable number.

148461553 is a deficient number, since it is larger than the sum of its proper divisors (1).

148461553 is an equidigital number, since it uses as much as digits as its factorization.

148461553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 37.

The square root of 148461553 is about 12184.4800053182. The cubic root of 148461553 is about 529.5065455791.

The spelling of 148461553 in words is "one hundred forty-eight million, four hundred sixty-one thousand, five hundred fifty-three".