148743145 has 8 divisors (see below), whose sum is σ = 183316104. Its totient is φ = 115778304.

The previous prime is 148743137. The next prime is 148743157. The reversal of 148743145 is 541347841.

It can be written as a sum of positive squares in 4 ways, for example, as 13927824 + 134815321 = 3732^2 + 11611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148743145 - 2³ = 148743137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401824 + ... + 402193.

It is an arithmetic number, because the mean of its divisors is an integer number (22914513).

Almost surely, 2^148743145 is an apocalyptic number.

It is an amenable number.

148743145 is a deficient number, since it is larger than the sum of its proper divisors (34572959).

148743145 is an equidigital number, since it uses as much as digits as its factorization.

148743145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804059.

The product of its digits is 53760, while the sum is 37.

The square root of 148743145 is about 12196.0298868115. The cubic root of 148743145 is about 529.8411117405.

The spelling of 148743145 in words is "one hundred forty-eight million, seven hundred forty-three thousand, one hundred forty-five".