148237920 has 144 divisors (see below), whose sum is σ = 510898752. Its totient is φ = 39137280.

The previous prime is 148237871. The next prime is 148237927. The reversal of 148237920 is 29732841.

148237920 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148237927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162265 + ... + 163175.

It is an arithmetic number, because the mean of its divisors is an integer number (3547908).

Almost surely, 2^148237920 is an apocalyptic number.

148237920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148237920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255449376).

148237920 is an abundant number, since it is smaller than the sum of its proper divisors (362660832).

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

148237920 is a wasteful number, since it uses less digits than its factorization.

148237920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 148237920 is about 12175.2995856365. The cubic root of 148237920 is about 529.2405403578.

The spelling of 148237920 in words is "one hundred forty-eight million, two hundred thirty-seven thousand, nine hundred twenty".