145772337 has 4 divisors (see below), whose sum is σ = 194363120. Its totient is φ = 97181556.

The previous prime is 145772329. The next prime is 145772339. The reversal of 145772337 is 733277541.

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.

It is not a de Polignac number, because 145772337 - 2³ = 145772329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145772295 and 145772304.

It is not an unprimeable number, because it can be changed into a prime (145772339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24295387 + ... + 24295392.

It is an arithmetic number, because the mean of its divisors is an integer number (48590780).

Almost surely, 2^145772337 is an apocalyptic number.

It is an amenable number.

145772337 is a deficient number, since it is larger than the sum of its proper divisors (48590783).

145772337 is an equidigital number, since it uses as much as digits as its factorization.

145772337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48590782.

The product of its digits is 123480, while the sum is 39.

The square root of 145772337 is about 12073.6215362252. The cubic root of 145772337 is about 526.2899038994.

The spelling of 145772337 in words is "one hundred forty-five million, seven hundred seventy-two thousand, three hundred thirty-seven".