148157780 has 12 divisors (see below), whose sum is σ = 311131380. Its totient is φ = 59263104.

The previous prime is 148157767. The next prime is 148157783. The reversal of 148157780 is 87751841.

148157780 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 53173264 + 94984516 = 7292^2 + 9746^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148157783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3703925 + ... + 3703964.

It is an arithmetic number, because the mean of its divisors is an integer number (25927615).

Almost surely, 2^148157780 is an apocalyptic number.

148157780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148157780 is an abundant number, since it is smaller than the sum of its proper divisors (162973600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148157780 is a wasteful number, since it uses less digits than its factorization.

148157780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7407898 (or 7407896 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 41.

The square root of 148157780 is about 12172.0080512625. The cubic root of 148157780 is about 529.1451509497.

The spelling of 148157780 in words is "one hundred forty-eight million, one hundred fifty-seven thousand, seven hundred eighty".