145741975 has 6 divisors (see below), whose sum is σ = 180720080. Its totient is φ = 116593560.

The previous prime is 145741963. The next prime is 145741987. The reversal of 145741975 is 579147541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (145741963) and next prime (145741987).

It is not a de Polignac number, because 145741975 - 2⁷ = 145741847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2914815 + ... + 2914864.

Almost surely, 2^145741975 is an apocalyptic number.

145741975 is a deficient number, since it is larger than the sum of its proper divisors (34978105).

145741975 is an equidigital number, since it uses as much as digits as its factorization.

145741975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5829689 (or 5829684 counting only the distinct ones).

The product of its digits is 176400, while the sum is 43.

The square root of 145741975 is about 12072.3641015337. The cubic root of 145741975 is about 526.2533621615.

The spelling of 145741975 in words is "one hundred forty-five million, seven hundred forty-one thousand, nine hundred seventy-five".