148638420229 has 16 divisors (see below), whose sum is σ = 160356596400. Its totient is φ = 136961095680.

The previous prime is 148638420209. The next prime is 148638420233. The reversal of 148638420229 is 922024836841.

It can be written as a sum of positive squares in 8 ways, for example, as 122988100 + 148515432129 = 11090^2 + 385377^2 .

It is a cyclic number.

It is not a de Polignac number, because 148638420229 - 2⁹ = 148638419717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148638420209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25409697 + ... + 25415545.

It is an arithmetic number, because the mean of its divisors is an integer number (10022287275).

Almost surely, 2^148638420229 is an apocalyptic number.

It is an amenable number.

148638420229 is a deficient number, since it is larger than the sum of its proper divisors (11718176171).

148638420229 is a wasteful number, since it uses less digits than its factorization.

148638420229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 148638420229 in words is "one hundred forty-eight billion, six hundred thirty-eight million, four hundred twenty thousand, two hundred twenty-nine".