148158738 has 96 divisors (see below), whose sum is σ = 408844800. Its totient is φ = 37715328.

The previous prime is 148158737. The next prime is 148158739. The reversal of 148158738 is 837851841.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (148158737) and next prime (148158739).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 148158693 and 148158702.

It is not an unprimeable number, because it can be changed into a prime (148158737) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45943 + ... + 49061.

It is an arithmetic number, because the mean of its divisors is an integer number (4258800).

Almost surely, 2^148158738 is an apocalyptic number.

148158738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 148158738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204422400).

148158738 is an abundant number, since it is smaller than the sum of its proper divisors (260686062).

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

148158738 is a wasteful number, since it uses less digits than its factorization.

148158738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176 (or 3173 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 148158738 is about 12172.0474037854. The cubic root of 148158738 is about 529.1462914455.

The spelling of 148158738 in words is "one hundred forty-eight million, one hundred fifty-eight thousand, seven hundred thirty-eight".