148167990 has 24 divisors (see below), whose sum is σ = 385237008. Its totient is φ = 39511440.

The previous prime is 148167977. The next prime is 148167991. The reversal of 148167990 is 99761841.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148167991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 823066 + ... + 823245.

It is an arithmetic number, because the mean of its divisors is an integer number (16051542).

Almost surely, 2^148167990 is an apocalyptic number.

148167990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148167990 is an abundant number, since it is smaller than the sum of its proper divisors (237069018).

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

148167990 is a wasteful number, since it uses less digits than its factorization.

148167990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646324 (or 1646321 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 148167990 is about 12172.4274489520. The cubic root of 148167990 is about 529.1573056672.

The spelling of 148167990 in words is "one hundred forty-eight million, one hundred sixty-seven thousand, nine hundred ninety".