148923142 has 4 divisors (see below), whose sum is σ = 223384716. Its totient is φ = 74461570.

The previous prime is 148923109. The next prime is 148923169. The reversal of 148923142 is 241329841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241329841 = 17 ⋅14195873.

It is a junction number, because it is equal to n+sod(n) for n = 148923098 and 148923107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37230784 + ... + 37230787.

It is an arithmetic number, because the mean of its divisors is an integer number (55846179).

Almost surely, 2^148923142 is an apocalyptic number.

148923142 is a deficient number, since it is larger than the sum of its proper divisors (74461574).

148923142 is an equidigital number, since it uses as much as digits as its factorization.

148923142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74461573.

The product of its digits is 13824, while the sum is 34.

The square root of 148923142 is about 12203.4069832977. The cubic root of 148923142 is about 530.0547492985.

The spelling of 148923142 in words is "one hundred forty-eight million, nine hundred twenty-three thousand, one hundred forty-two".