155148145 has 8 divisors (see below), whose sum is σ = 186246504. Its totient is φ = 124072704.

The previous prime is 155148139. The next prime is 155148151. The reversal of 155148145 is 541841551.

It is an interprime number because it is at equal distance from previous prime (155148139) and next prime (155148151).

It can be written as a sum of positive squares in 4 ways, for example, as 63218401 + 91929744 = 7951^2 + 9588^2 .

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 155148145 - 2⁵ = 155148113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155148145.

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, 18457 + ... + 25513.

It is an arithmetic number, because the mean of its divisors is an integer number (23280813).

Almost surely, 2^155148145 is an apocalyptic number.

It is an amenable number.

155148145 is a deficient number, since it is larger than the sum of its proper divisors (31098359).

155148145 is an equidigital number, since it uses as much as digits as its factorization.

155148145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459.

The product of its digits is 16000, while the sum is 34.

The square root of 155148145 is about 12455.8478234121. The cubic root of 155148145 is about 537.3396182752.

Adding to 155148145 its reverse (541841551), we get a palindrome (696989696).

The spelling of 155148145 in words is "one hundred fifty-five million, one hundred forty-eight thousand, one hundred forty-five".