Search a number
-
+
145337437 = 7172353101
BaseRepresentation
bin10001010100110…
…10110001011101
3101010110220111001
420222122301131
5244201244222
622231030301
73413230210
oct1052326135
9333426431
10145337437
1175048193
124080b391
13241588ab
1415433777
15cb5ce27
hex8a9ac5d

145337437 has 16 divisors (see below), whose sum is σ = 183520512. Its totient is φ = 112147200.

The previous prime is 145337419. The next prime is 145337447. The reversal of 145337437 is 734733541.

145337437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145337437 - 227 = 11119709 is a prime.

It is a super-2 number, since 2×1453374372 = 42245941187457938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145337396 and 145337405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145337417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23814 + ... + 29287.

It is an arithmetic number, because the mean of its divisors is an integer number (11470032).

Almost surely, 2145337437 is an apocalyptic number.

145337437 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

145337437 is a deficient number, since it is larger than the sum of its proper divisors (38183075).

145337437 is a wasteful number, since it uses less digits than its factorization.

145337437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53148.

The product of its digits is 105840, while the sum is 37.

The square root of 145337437 is about 12055.5977454459. The cubic root of 145337437 is about 525.7660013986.

The spelling of 145337437 in words is "one hundred forty-five million, three hundred thirty-seven thousand, four hundred thirty-seven".

Divisors: 1 7 17 23 119 161 391 2737 53101 371707 902717 1221323 6319019 8549261 20762491 145337437