148942999 has 2 divisors, whose sum is σ = 148943000. Its totient is φ = 148942998.

The previous prime is 148942993. The next prime is 148943021. The reversal of 148942999 is 999249841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148942999 - 2³ = 148942991 is a prime.

It is a super-2 number, since 2×148942999² = 44368033902228002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148942991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74471499 + 74471500.

It is an arithmetic number, because the mean of its divisors is an integer number (74471500).

Almost surely, 2^148942999 is an apocalyptic number.

148942999 is a deficient number, since it is larger than the sum of its proper divisors (1).

148942999 is an equidigital number, since it uses as much as digits as its factorization.

148942999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 55.

The square root of 148942999 is about 12204.2205404524. The cubic root of 148942999 is about 530.0783069297.

It can be divided in two parts, 148942 and 999, that added together give a palindrome (149941).

The spelling of 148942999 in words is "one hundred forty-eight million, nine hundred forty-two thousand, nine hundred ninety-nine".