Search a number
-
+
145022252502 = 231031971191187
BaseRepresentation
bin1000011100001111111…
…1111111010111010110
3111212022211221202000010
42013003333333113112
54334001144040002
6150342230101050
713322533543611
oct2070377772726
9455284852003
10145022252502
115655a30a846
12241337aa786
13108a221233a
14703a643178
153b8bac146c
hex21c3fff5d6

145022252502 has 32 divisors (see below), whose sum is σ = 294347319552. Its totient is φ = 47628381024.

The previous prime is 145022252471. The next prime is 145022252503. The reversal of 145022252502 is 205252220541.

It is a self number, because there is not a number n which added to its sum of digits gives 145022252502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145022252503) 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, 473848 + ... + 717339.

It is an arithmetic number, because the mean of its divisors is an integer number (9198353736).

Almost surely, 2145022252502 is an apocalyptic number.

145022252502 is an abundant number, since it is smaller than the sum of its proper divisors (149325067050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145022252502 is a wasteful number, since it uses less digits than its factorization.

145022252502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191492.

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 145022252502 in words is "one hundred forty-five billion, twenty-two million, two hundred fifty-two thousand, five hundred two".

Divisors: 1 2 3 6 103 197 206 309 394 591 618 1182 20291 40582 60873 121746 1191187 2382374 3573561 7147122 122692261 234663839 245384522 368076783 469327678 703991517 736153566 1407983034 24170375417 48340750834 72511126251 145022252502