145902629 has 4 divisors (see below), whose sum is σ = 147660576. Its totient is φ = 144144684.

The previous prime is 145902613. The next prime is 145902649. The reversal of 145902629 is 926209541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 926209541 = 67 ⋅13824023.

It is a cyclic number.

It is not a de Polignac number, because 145902629 - 2⁴ = 145902613 is a prime.

It is a super-2 number, since 2×145902629² = 42575154298223282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145902592 and 145902601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145902649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878849 + ... + 879014.

It is an arithmetic number, because the mean of its divisors is an integer number (36915144).

Almost surely, 2^145902629 is an apocalyptic number.

It is an amenable number.

145902629 is a deficient number, since it is larger than the sum of its proper divisors (1757947).

145902629 is an equidigital number, since it uses as much as digits as its factorization.

145902629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757946.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 145902629 is about 12079.0160609215. The cubic root of 145902629 is about 526.4466573363.

The spelling of 145902629 in words is "one hundred forty-five million, nine hundred two thousand, six hundred twenty-nine".