145651115 has 8 divisors (see below), whose sum is σ = 176994240. Its totient is φ = 115045632.

The previous prime is 145651091. The next prime is 145651123. The reversal of 145651115 is 511156541.

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 145651115 - 2²⁰ = 144602539 is a prime.

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, 183974 + ... + 184763.

It is an arithmetic number, because the mean of its divisors is an integer number (22124280).

Almost surely, 2^145651115 is an apocalyptic number.

145651115 is a deficient number, since it is larger than the sum of its proper divisors (31343125).

145651115 is an equidigital number, since it uses as much as digits as its factorization.

145651115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368821.

The product of its digits is 3000, while the sum is 29.

The square root of 145651115 is about 12068.6003745256. The cubic root of 145651115 is about 526.1439786192.

The spelling of 145651115 in words is "one hundred forty-five million, six hundred fifty-one thousand, one hundred fifteen".