148402745435021 has 16 divisors (see below), whose sum is σ = 185024455110528. Its totient is φ = 115636721428800.

The previous prime is 148402745435017. The next prime is 148402745435099. The reversal of 148402745435021 is 120534547204841.

It is not a de Polignac number, because 148402745435021 - 2² = 148402745435017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148402745432021) 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, 9804290 + ... + 19822451.

It is an arithmetic number, because the mean of its divisors is an integer number (11564028444408).

Almost surely, 2^{148402745435021} is an apocalyptic number.

148402745435021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

148402745435021 is a deficient number, since it is larger than the sum of its proper divisors (36621709675507).

148402745435021 is a wasteful number, since it uses less digits than its factorization.

148402745435021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29691812.

The product of its (nonzero) digits is 4300800, while the sum is 50.

The spelling of 148402745435021 in words is "one hundred forty-eight trillion, four hundred two billion, seven hundred forty-five million, four hundred thirty-five thousand, twenty-one".